linux-kernel - RE: [REPOST PATCH] arm64: dts: qcom: Fix WiFi supplies on sc7180-idp

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Message-ID: <001501d655cb$ff5b8bc0$fe12a340$@codeaurora.org>
Date:   Thu, 9 Jul 2020 14:06:04 +0530
From:   "Rakesh Pillai" <pillair@...eaurora.org>
To:     "'Douglas Anderson'" <dianders@...omium.org>,
        "'Andy Gross'" <agross@...nel.org>,
        "'Bjorn Andersson'" <bjorn.andersson@...aro.org>
Cc:     "'Evan Green'" <evgreen@...omium.org>,
        "'Sibi Sankar'" <sibis@...eaurora.org>,
        "'Rob Herring'" <robh+dt@...nel.org>, <devicetree@...r.kernel.org>,
        <linux-arm-msm@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: RE: [REPOST PATCH] arm64: dts: qcom: Fix WiFi supplies on sc7180-idp



> -----Original Message-----
> From: Rakesh Pillai <pillair@...eaurora.org>
> Sent: Friday, June 26, 2020 2:14 PM
> To: 'Douglas Anderson' <dianders@...omium.org>; 'Andy Gross'
> <agross@...nel.org>; 'Bjorn Andersson' <bjorn.andersson@...aro.org>
> Cc: 'Evan Green' <evgreen@...omium.org>; 'Sibi Sankar'
> <sibis@...eaurora.org>; 'Rob Herring' <robh+dt@...nel.org>;
> 'devicetree@...r.kernel.org' <devicetree@...r.kernel.org>; 'linux-arm-
> msm@...r.kernel.org' <linux-arm-msm@...r.kernel.org>; 'linux-
> kernel@...r.kernel.org' <linux-kernel@...r.kernel.org>
> Subject: RE: [REPOST PATCH] arm64: dts: qcom: Fix WiFi supplies on sc7180-
> idp
> 
> 
> 
> > -----Original Message-----
> > From: Douglas Anderson <dianders@...omium.org>
> > Sent: Friday, June 26, 2020 1:47 AM
> > To: Andy Gross <agross@...nel.org>; Bjorn Andersson
> > <bjorn.andersson@...aro.org>
> > Cc: Evan Green <evgreen@...omium.org>; Sibi Sankar
> > <sibis@...eaurora.org>; Rakesh Pillai <pillair@...eaurora.org>; Douglas
> > Anderson <dianders@...omium.org>; Rob Herring <robh+dt@...nel.org>;
> > devicetree@...r.kernel.org; linux-arm-msm@...r.kernel.org; linux-
> > kernel@...r.kernel.org
> > Subject: [REPOST PATCH] arm64: dts: qcom: Fix WiFi supplies on
sc7180-idp
> >
> > The WiFi supplies that were added recently can't have done anything
> > useful because they were missing the "-supply" suffix.  Booting
> > without the "-supply" suffix would give these messages:
> >
> > ath10k_snoc 18800000.wifi: 18800000.wifi supply vdd-0.8-cx-mx not found,
> > using dummy regulator
> > ath10k_snoc 18800000.wifi: 18800000.wifi supply vdd-1.8-xo not found,
> using
> > dummy regulator
> > ath10k_snoc 18800000.wifi: 18800000.wifi supply vdd-1.3-rfa not found,
> using
> > dummy regulator
> > ath10k_snoc 18800000.wifi: 18800000.wifi supply vdd-3.3-ch0 not found,
> > using dummy regulator
> >
> > Let's add the "-supply" suffix.
> >
> > Fixes: 1e7594a38f37 ("arm64: dts: qcom: sc7180: Add WCN3990 WLAN
> > module device node")
> > Signed-off-by: Douglas Anderson <dianders@...omium.org>
> > ---
> Reviewed-by: Rakesh Pillai <pillair@...eaurora.org>


Tested-by: Rakesh Pillai <pillair@...eaurora.org>

> 
> I missed this in the DTSI patch, while manually rebasing to the kernel
tip.
> 
> > I don't have an IDP setup but I have a similar board.  Testing on IDP
> > would, of course, be appreciated.
> >
> > Repost because I screwed up the "after-the-cut" notes on first post.
> >
> >  arch/arm64/boot/dts/qcom/sc7180-idp.dts | 8 ++++----
> >  1 file changed, 4 insertions(+), 4 deletions(-)
> >
> > diff --git a/arch/arm64/boot/dts/qcom/sc7180-idp.dts
> > b/arch/arm64/boot/dts/qcom/sc7180-idp.dts
> > index 39dbfc89689e..472f7f41cc93 100644
> > --- a/arch/arm64/boot/dts/qcom/sc7180-idp.dts
> > +++ b/arch/arm64/boot/dts/qcom/sc7180-idp.dts
> > @@ -391,10 +391,10 @@ video-firmware {
> >
> >  &wifi {
> >  	status = "okay";
> > -	vdd-0.8-cx-mx = <&vreg_l9a_0p6>;
> > -	vdd-1.8-xo = <&vreg_l1c_1p8>;
> > -	vdd-1.3-rfa = <&vreg_l2c_1p3>;
> > -	vdd-3.3-ch0 = <&vreg_l10c_3p3>;
> > +	vdd-0.8-cx-mx-supply = <&vreg_l9a_0p6>;
> > +	vdd-1.8-xo-supply = <&vreg_l1c_1p8>;
> > +	vdd-1.3-rfa-supply = <&vreg_l2c_1p3>;
> > +	vdd-3.3-ch0-supply = <&vreg_l10c_3p3>;
> >  	wifi-firmware {
> >  		iommus = <&apps_smmu 0xc2 0x1>;
> >  	};
> > --
> > 2.27.0.212.ge8ba1cc988-goog